Files
lix/tests/functional2/flakes/test_config.py
T
eldritch horrors 8500339d95 testing: migrate flakes/config.sh
Change-Id: I7f19b33c30330ccd1f01b72b2e36a542f03f4e49
2026-02-17 16:01:00 +01:00

65 lines
2.0 KiB
Python

from testlib.fixtures.nix import Nix
from testlib.fixtures.file_helper import with_files, File
from testlib.environ import environ
from testlib.utils import get_global_asset_pack
from pathlib import Path
from textwrap import dedent
import pytest
system = environ.get("system")
files = get_global_asset_pack("simple-drv") | {
"flake.nix": File(f"""
{{
nixConfig.post-build-hook = ./echoing-post-hook.sh;
nixConfig.allow-dirty = false; # See #5621
outputs = a: {{
packages.{system}.default = import ./simple.nix;
}};
}}
""")
}
@pytest.fixture(autouse=True)
def common_init(nix: Nix, files: Path):
nix.settings.add_xp_feature("nix-command", "flakes")
hook = files / "echoing-post-hook.sh"
hook.write_text(
dedent(f"""\
#!/bin/sh
echo "ThePostHookRan as $0" > {files}/post-hook-ran
""")
)
hook.chmod(0o755)
@with_files(files)
class TestFlakeConfig:
def test_post_hook_ignored_without_accept_config(self, nix: Nix, files: Path):
nix.nix(["build"]).run().ok()
assert not (files / "post-hook-ran").exists()
def test_post_hook_ignored_with_no_accept_config(self, nix: Nix, files: Path):
nix.nix(["build", "--no-accept-flake-config"]).run().ok()
assert not (files / "post-hook-ran").exists()
def test_post_hook_runs_with_accept_config(self, nix: Nix, files: Path):
nix.nix(["build", "--accept-flake-config"]).run().ok()
hook_output = files / "post-hook-ran"
assert hook_output.exists()
first_output = hook_output.read_text()
# Make sure that the path to the post hook doesn't change if we change
# something in the flake.
# Otherwise the user would have to re-validate the setting each time.
flake = files / "flake.nix"
flake.write_text(flake.read_text() + "# comment\n")
nix.clear_store()
nix.nix(["build", "--accept-flake-config"]).run().ok()
assert hook_output.read_text() == first_output